Ambika Chakrabarty's father's name was Nanda Kumar Chakarabarty. He was a member of
Chittagong Jugantar party. He took part in the
Chittagong armoury raid led by
Surya Sen. On 18 April 1930, he led a group of revolutionaries, who destroyed the entire communication system in Chittagong. On 22 April 1930, he was seriously injured in the gunfight with the British army in Jalalabad. But he was able to escape. After a few months, he was arrested by the police from his hideout and sentenced to death. However, on appeal the sentence was reduced to transportation for life to the
Cellular Jail in
Port Blair. ==Later activities==